Home / 22,385,668-30,892,221.84-12,727,876

Finding the Fourth Proportional to 22,385,668, 30,892,221.84 and 12,727,876

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Solution

The fourth proportional to 22,385,668, 30,892,221.84 and 12,727,876 is: 17,564,468.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,385,668 : 30,892,221.84 = 12,727,876 : x
  2. Step 2: Convert to fraction form
    22,385,668/30,892,221.84 = 12,727,876/x
  3. Step 3: Cross multiply
    22,385,668x = 30,892,221.84 × 12,727,876
  4. Step 4: Simplify right side
    22,385,668x = 393,192,368,944,011.81
  5. Step 5: Solve for x
    x = 393,192,368,944,011.81/22,385,668
  6. Step 6: Final answer
    x = 17,564,468.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.